Say hello to me.

welcome.sh

#!/bin/bash

#Source: https://gist.github.com/alicraigmile/cc83201e07ddc8472765

function welcome() {
  HOUR=$(date +%H)
  HOUR=$(expr $HOUR + 0) #fix for leading zeros
  NAME=$(finger $USER |head -n1 |cut -d : -f3 | sed -e 's/^ *//' | cut -d ' ' -f1) #firstname (remove last 'cut' for full name)

  if [[ $HOUR -lt 5 ]]; then
    echo "Go to bed, $NAME!";
  elif [[ $HOUR -lt 12 ]]; then
    echo "Welcome, $NAME. Good morning.";
  elif [[ $HOUR -lt 17 ]]; then
    echo "Welcome, $NAME. Good afternoon.";
  else
    echo "Welcome, $NAME. Good evening.";
  fi
}

welcome